Change of Adviser

28 April 2022

Plant Health Care plc

("Plant Health Care" or the "Company")

Change of Adviser

Plant Health Care® (AIM: PHC.L), a leading provider of novel patent-protected biological products to global agricultural markets, is pleased to announce the appointment of Cenkos Securities plc ("Cenkos") as its Nominated Adviser with immediate effect. Cenkos will continue to act as Broker to the Company following their appointment in March 2021.

Further to the announcements by Arden Partners Plc on 11 and 14 April 2022 regarding the loss of its nominated adviser status upon the completion of its recommended takeover, the Company has appointed Cenkos as its nominated adviser. Given the timing of the completion of the recommended takeover of Arden Partners Plc, the Exchange has agreed that subject to initial due diligence being undertaken, Cenkos has until 5pm on 27 July 2022 to complete its full due diligence.

There can be no guarantee on the outcome of the full due diligence and its impact on Cenkos' decision to continue to act as nominated adviser. Accordingly, in such circumstances there is a risk that if the Cenkos does not continue to act as nominated adviser following completion of its full due diligence and the Company has not found an alternative nominated adviser, the Company's AIM securities may be suspended pursuant to AIM Rule 1. If within one month of that suspension, the Company has failed to appoint a replacement nominated adviser, the admission of its AIM securities will be cancelled.

Notwithstanding the extension of time provided in respect of completing full due diligence obligations at engagement, Cenkos will continue to be subject to all the ongoing nominated adviser responsibilities under the AIM Rules for Nominated Advisers.

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About Plant Health Care

Plant Health Care offers products to improve the health, vigour and yield of major field crops such as corn, soybeans, potatoes and rice, as well as specialty crops such as fruits and vegetables. We operate globally through subsidiaries, distributors and supply agreements with major industry partners. Our innovative, patent-protected biological products help growers to protect their crops from stress and diseases, and to produce higher quality fruit and vegetables, with a favourable environmental profile. Find out more at Vox Markets and the company website: www.planthealthcare.com